AI Engineer (Contract)

Quess Corp Limited; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Quess Corp Limited in Singapore seeks a hands-on AI/ML professional to design and deploy production-grade AI services. You will build agent frameworks, create RAG-driven systems, and implement robust prompt engineering, evaluation, and memory components to support scalable enterprise solutions.

The role involves developing machine learning models for propensity, recommendations, classification and ranking, and working with unstructured data to derive actionable insights.

Qualifications

• Hands-on experience building and deploying ML/AI solutions into production.
• Experience with generative AI is mandatory.
• Familiarity with data quality management and feature engineering.

Responsibilities

• Design and develop AI agents using modern frameworks.
• Build and optimize RAG solutions and agent orchestration workflows.
• Implement prompt engineering, evaluation, reflection, and memory capabilities.

Skills

Machine Learning

Data Science

Advanced Analytics

Production ML/AI

Job description

• Design and develop AI agents using modern agent frameworks.
• Build and optimize RAG (Retrieval-Augmented Generation) solutions.
• Develop agent orchestration workflows and tool-calling frameworks.
• Implement prompt engineering, evaluation, reflection, and memory capabilities.
• Build reusable AI components that can be leveraged across multiple business use cases.
• Develop machine learning models for:
  • Client propensity prediction
  • Recommendation systems
  • Classification and ranking
  • Behavioral analytics
  • Next-best-action recommendations
• Perform data exploration, feature engineering, and model evaluation.
• Analyze large structured and unstructured datasets to generate actionable insights.
• Monitor model performance and continuously improve accuracy and relevance.

AI Application Development

• Build production-ready AI services and APIs.
• Integrate AI solutions with enterprise systems and data sources.
• Implement monitoring, observability, and evaluation frameworks.
• Optimize AI solutions for performance, scalability, and cost efficiency.

Required Qualifications

Experience

• Machine Learning Engineering
• Data Science
• Advanced Analytics
• Hands-on experience building and deploying ML or AI solutions into production.

Technical Skills

Programming

Experience with:

Generative AI - (MANDATORY)

Experience in all the following areas:

Knowledge of:

• Feature engineering
• Data quality management

Experience with:

Preferred Qualifications

• Experience with financial services, banking, capital markets, or wealth management.
• Experience building recommendation engines or personalization solutions.
• Experience with search, retrieval, and knowledge management platforms.
• Familiarity with MLOps, LLMOps, and AI governance practices.
• Experience working with unstructured document repositories and enterprise knowledge sources.

Business Manager, Recruitment | Singapore